C V	pdf version:
Recent long-term research visits:
2025	Visitor at BIMSA, Beijing (2 months)
2024	Visitor at BIMSA, Beijing (3 months)
2021	Visitor at Hamburg University (1½ months)
2020	Visitor at Hamburg University (1½ months)
2018	Mercator Visiting Professor at Hamburg University (4 months)
2017	Visitor at University of Alberta, Edmonton (2 months)
2016	Mercator Visiting Professor at Hamburg University (6 months)
2015	Distinguished Visiting Fellow at ANU (Australian Nattional Univ.), Canberra (3 weeks)
2014	Program participant at ESI, Vienna (1½ months)
2011	Visitor at Beijing Intl. Center for Mathematical Research (3 weeks)
2007	Visitor at Hamburg University (2 months)
2006	Visitor at Oslo University (1½ months)
2004	Senior Research Fellow at ESI, Vienna (2½ months)
2002	Professeur invité at Université Paris VII (1 month)
2001	Professeur invité at Université Paris VI (1 month)
Plenary speaker at international conferences (selection):
04/2025	Brussels: "Hopf algebras, quantum groups, monoidal categories and related structures"
09/2024	BIMSA, Beijing, China: "Recent developments in topological quantum field theory"
10/2022	CRM, Montréal, Canada: "Quantum symmetries: Tensor categories, TQFTs, vertex algebras"
09/2022	ESI, Vienna: "Tensor networks: Mathematical structures and novel algorithms"
11/2021	BIRS, Banff, Canada: "Quantum field theories and quantum topology beyond semisimplicity"
08/2020	ESI, Vienna: "Higher structures and field theory"
10/2019	Brussels, Belgium: Francqui Symposium " Wavefunctions and entanglement in quantum field theory"
09/2019	Nanjing, China: "Hopf algebras and tensor categories"
09/2018	BIRS, Oaxaca, Mexico: "Geometric and categorical aspects of CFTs"
04/2018	Zeist (Netherlands): "CFT and categorical structures, beyond rationality"
08/2017	Perimeter Institute, Canada: "Hopf algebras in Kitaev's quantum double models"
08/2016	BIRS, Oaxaca, Mexico: "Modular Categories -- Their Representations, Classification, and Applications"
04/2016	Weizmann Institute, Rehovot: "New Directions in String Theory and Conformal Field Theory"
07/2015	QGM, Aarhus: "New Developments in TQFT"
07/2015	ANU, Canberra: "The Mathematics of Conformal Field Theory"
01/2015	IPAM, Los Angeles: "Symmetry and Topology in Quantum Matter"
08/2014	ESI, Vienna: "Topological Phases of Quantum Matter"
05/2014	CRM, Montréal, Canada: "Lie Theory and Mathematical Physics"
07/2013	Simons Center, Stony Brook, USA: "Simons Summer Workshop: Defects"
08/2013	ESI, Vienna, Austria: "Geometry and Quantization GEOQUANT"
11/2011	Erlangen, Germany: "Representation Theoretical and Categorical Structures in Quantum Geometry and Conformal Field Theory"
03/2011	Simons Center, Stony Brook, USA: "Branes and Bethe Ansatz in Supersymmetric Gauge Theories"
09/2009	Maresias, Brazil: "Representations, Lie Theory and Physics"
09/2009	La Falda, Argentina: "Álgebras de Hopf, Grupos cuánticos y Categorías Tensoriales"
05/2009	ETH Zürich, Switzerland: "Logarithmic Conformal Field Theory"
04/2009	Glasgow, UK: "Categorification and Geometrisation from Representation Theory"
04/2008	CIRM Luminy, France: "Groupes Quantiques Dynamiques et Catégories de Fusion"
06/2006	Strasbourg, France: "Knots and Physics"
03/2006	Cairo, Egypt: "Algebras and Coalgebras in Geometry, Physics and Computer Science"
07/2005	Sydney, Australia: "Categories in Algebra, Geometry and Mathematical Physics"